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Reliability-centered maintenance (RCM)

A maintenance strategy which determines the best mix of preventive maintenance, predictive maintenance, proactive repairs, and run-to-failure approaches.

Request for proposal (RFP)

An official statement to vendors about the business activity in works, supply or service required.

Regulations

Laws or rules prescribed by an authority to regulate conduct; an official governmental regulatory act that transmits a stated purpose.

Rentable area

The gross area minus exterior walls, major vertical penetrations and interior parking spaces. In leased space, this area includes shared spaces with […]

Root cause analysis

The process of discovering the systemic cause of system results.

Recovery

Includes activities immediately following the emergency aimed at stabilizing the facility (e.g., repairing critical damage to the facility structure and the building […]

Renewable energy credits (RECs)

Represents the carbon reduction value of electrical energy generated by renewable sources of energy. Similar in intent to carbon offsets and can […]

Risk

The effect of uncertainty on objectives.

Range

A measure of dispersion in a data set (the distance between the highest and lowest values).

Retrocommissioning

Implementing the commissioning process for existing buildings that were never commissioned after construction.